444401042 has 4 divisors (see below), whose sum is σ = 666601566. Its totient is φ = 222200520.

The previous prime is 444401033. The next prime is 444401057. The reversal of 444401042 is 240104444.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 439782841 + 4618201 = 20971^2 + 2149^2 .

It is a super-3 number, since 3×444401042³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 444400999 and 444401017.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111100259 + ... + 111100262.

Almost surely, 2^444401042 is an apocalyptic number.

444401042 is a deficient number, since it is larger than the sum of its proper divisors (222200524).

444401042 is a wasteful number, since it uses less digits than its factorization.

444401042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222200523.

The product of its (nonzero) digits is 2048, while the sum is 23.

The square root of 444401042 is about 21080.8216633034. The cubic root of 444401042 is about 763.1179858620.

Adding to 444401042 its reverse (240104444), we get a palindrome (684505486).

The spelling of 444401042 in words is "four hundred forty-four million, four hundred one thousand, forty-two".